To these provincial autocrats, before whom the peaceable population of all classes had been accustomed to tremble, the reserve of that English-looking engineer caused an uneasiness which swung to and fro between cringing and truculence.
Source: wiktionary
He was huge in all that he did, and his benevolence was even more overpowering than his truculence.
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Dundy’s fists were clenched in front of his body and his feet were planted firm and a little apart on the floor, but the truculence in his face was modified by thin rims of white showing between green irises and upper eyelids.
Source: wiktionary
Trump’s truculence on the world stage: “Everyone kowtows to Iran because they’re crazy. Now we have our own bit of crazy.”
Source: wiktionary